868072052 has 24 divisors (see below), whose sum is σ = 1538409600. Its totient is φ = 428551776.

The previous prime is 868072039. The next prime is 868072067. The reversal of 868072052 is 250270868.

It is a junction number, because it is equal to n+sod(n) for n = 868071997 and 868072015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144974 + ... + 150842.

It is an arithmetic number, because the mean of its divisors is an integer number (64100400).

Almost surely, 2^868072052 is an apocalyptic number.

It is an amenable number.

868072052 is a deficient number, since it is larger than the sum of its proper divisors (670337548).

868072052 is a wasteful number, since it uses less digits than its factorization.

868072052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335 (or 6333 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 868072052 is about 29463.0625020550. The cubic root of 868072052 is about 953.9345782116.

The spelling of 868072052 in words is "eight hundred sixty-eight million, seventy-two thousand, fifty-two".